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d.引导条件状语从句，意为“只要”，其意思和用法相当于as long as。while可位于句首，也可位于句中。 ⑥________ there is life，there is hope. 留得青山在，不怕没柴烧。 答案 ①If(it is)possible ②When (I'm)in trouble ③going on ④While ⑤while ⑥While Ⅲ.经典句式→识记·思考·运用 1.Have you ever had trouble trying to spell a word？(have trouble in doing sth“做某事有困难”，其中in 可省略) 你有没有拼不出单词的时候？ [仿写]The new president _______________________ foreign affairs. 新任总统在处理外交事务方面有困难。 had trouble (in) dealing with 2.*While still at primary school，Rowan had already shown admirable acting talent.(状语从句的省略) 还在上小学时，罗恩就已经表现出令人赞叹的表演天赋。 [仿写]__________________________，I fell asleep. 在听音乐时，我睡着了。 While listening to the music 3.*I felt at least forty more of the same kind following the first.( “of＋名词”结构) 跟着第一个，我又感觉到了至少40多个同样的(人)。 [仿写]The wine is not ___________________ as the one we bought last year. 这酒与我们去年买的不是同一类。 of the same kind 【联想·积累】 (1)在含有状语从句的复合句中，若主、从句的主语一致或从句的主语是it且从句的谓语部分含be动词，这时可以把从句的主语和be动词一起省略。能这样用的连词有when，while，if，once，though，unless，as，if，even if等。 (2)“of＋名词”结构，它在句中常可用作表语、定语或宾语补足语。 Ⅳ.单元语法→识记·思考·运用 过去完成进行时，进行时和一般时 单句语法填空 1.They __________________(wait) for the bus for about an hour when it came. 2.A lot of attention ________________(pay) to greenhouse gas emission.Look at those posters for environmental protection. had been waiting is being paid 3.*My wife ________________(work) the night shift when my plane ________(arrive).That's why no one is to meet me at the airport today. 4.—I wonder what makes you a successful manager. —I ________(serve) as a waiter for five years，which contributes a lot to my today's work. 5.*—When will Flight A391 leave? —It ________(leave) at 8：30，but you should check in half an hour ahead of time. will be working arrives served leaves 【联想·积累】 ❶将来进行时可用于表示将来某个时刻正在发生的动作或者将来某一段时间内正在进行的动作。将来进行时常与一些标志性的时间状语连用。这些常见的标志性状语有：at this time tomorrow/the day after tomorrow，from 1：30 to 4：30 tomorrow/the day after tomorrow。 ❷表示按计划、时刻表规定要发生的动作，但限于少数动词。如begin，come，leave，go，arrive，start，stop，return，open，close等。 [单 词 点 睛] 1.harmony n.协调，和谐 | 
